# CVE-2023-44258: WordPress Schema App Structured Data plugin <= 1.23.1 - Broken Access Control + CSRF vulnerability

> Attackers can bypass access controls to modify structured data settings in the Schema App Structured Data WordPress plugin.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 2 Jan 2025
- **Updated:** 11 May 2026
- **Also known as:** GHSA-398x-j3p9-ffhp

## What is CVE-2023-44258?

CVE-2023-44258 is a medium-severity missing authorization vulnerability in vberkel Schema App Structured Data, published on 2 Jan 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Missing Authorization vulnerability in vberkel Schema App Structured Data schema-app-structured-data-for-schemaorg allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Schema App Structured Data: from n/a through <= 1.23.1.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2023-44258?

It affects 1 product.


Products: Schemaapp Schema App Structured Data.

## How do I fix CVE-2023-44258?

No fix has been published for CVE-2023-44258 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-44258 being exploited?

There is no known exploitation of CVE-2023-44258 in the wild and no public exploit code.

## Other vulnerabilities in vberkel Schema App Structured Data

- [CVE-2024-0893](https://insights.sbomify.com/CVE-2024-0893/): Schema App Structured Data <= 2.2.0 - Missing Authorization (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-44258 and fix it if it is affected.

What it is: CVE-2023-44258 is a medium-severity missing authorization vulnerability in vberkel Schema App Structured Data, published on 2 Jan 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-44258 in the wild and no public exploit code.

Affected product: vberkel Schema App Structured Data. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2023-44258/ (Markdown: https://insights.sbomify.com/CVE-2023-44258/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-44258
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-44258
- OSV: https://osv.dev/vulnerability/CVE-2023-44258

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-44258/
Summaries are generated and may contain mistakes; the official description above is the record.